@@ -790,6 +790,8 @@ static int ahci_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
cmd |= PORT_CMD_ALPE;
if (policy == ATA_LPM_MIN_POWER)
cmd |= PORT_CMD_ASP;
+ else if (policy == ATA_LPM_MIN_POWER_WITH_PARTIAL)
+ cmd &= ~PORT_CMD_ASP;
/* write out new cmd value */
writel(cmd, port_mmio + PORT_CMD);
@@ -800,7 +802,8 @@ static int ahci_set_lpm(struct ata_link *link, enum ata_lpm_policy policy,
if ((hpriv->cap2 & HOST_CAP2_SDS) &&
(hpriv->cap2 & HOST_CAP2_SADM) &&
(link->device->flags & ATA_DFLAG_DEVSLP)) {
- if (policy == ATA_LPM_MIN_POWER)
+ if (policy == ATA_LPM_MIN_POWER ||
+ policy == ATA_LPM_MIN_POWER_WITH_PARTIAL)
ahci_set_aggressive_devslp(ap, true);
else
ahci_set_aggressive_devslp(ap, false);
@@ -3974,6 +3974,7 @@ int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
scontrol |= (0x6 << 8);
break;
case ATA_LPM_MED_POWER_WITH_DIPM:
+ case ATA_LPM_MIN_POWER_WITH_PARTIAL:
case ATA_LPM_MIN_POWER:
if (ata_link_nr_enabled(link) > 0)
/* no restrictions on LPM transitions */
@@ -110,6 +110,7 @@ static const char *ata_lpm_policy_names[] = {
[ATA_LPM_MAX_POWER] = "max_performance",
[ATA_LPM_MED_POWER] = "medium_power",
[ATA_LPM_MED_POWER_WITH_DIPM] = "med_power_with_dipm",
+ [ATA_LPM_MIN_POWER_WITH_PARTIAL] = "min_power_with_partial",
[ATA_LPM_MIN_POWER] = "min_power",
};
@@ -523,7 +523,8 @@ enum ata_lpm_policy {
ATA_LPM_MAX_POWER,
ATA_LPM_MED_POWER,
ATA_LPM_MED_POWER_WITH_DIPM, /* Med power + DIPM as win IRST does */
- ATA_LPM_MIN_POWER,
+ ATA_LPM_MIN_POWER_WITH_PARTIAL, /* Min Power + partial and slumber */
+ ATA_LPM_MIN_POWER, /* Min power + no partial (slumber only) */
};
enum ata_lpm_hints {